def is_mirror(str1, str2):
    str1_new = ''
    str2_new = ''
    for char in str1:
        if char.isalpha():
            str1_new += char
    for char in str2:
        if char.isalpha():
            str2_new += char

    if str1_new == str2_new[::-1]:
        return True
    else:
        return False

print(is_mirror("helloworld", "helloworld"))
